take pot luck

From Longman Dictionary of Contemporary Englishtake pot lucktake pot lucka)CHOOSEto choose something without knowing very much about it, and hope that it will be what you wantWe hadn’t booked a hotel so we had to take pot luck.b)EATto have a meal at someone’s home in which you eat whatever they have available, rather than food which has been specially bought for the occasionI’m not sure what there is in the fridge – you’ll have to take pot luck. →pot luck

Examples from the Corpus

take pot luck• Before farmers had to take pot luck over whether their ewes were pregnant.